Oroville Dam

State orders in-depth assessments of more than 50 California dams following Oroville crisis

State orders in-depth assessments of more than 50 California dams following Oroville crisis

Months after the Oroville Dam crisis, state regulators are ordering sweeping inspections of aging dams throughout California to determine whether they, too, have vulnerabilities.

The move comes as state officials are still trying to determine precisely what caused both spillways at the Oroville Dam to fail, prompting the evacuation of numerous towns downstream of the reservoir.

The Oroville Dam was built five decades ago, but officials noted that other dams in the state are much older.

“Many of these dams are 50 to 100 years old, and it was a different era,” said Daniel Meyersohn, supervising engineer for the California Department of Water Resources’ Division of...

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